Chatter Packs are a Twitch-exclusive feature introduced in 0.5. They map chat keywords to audio files during a game show, so keyword design is as important as the clips themselves.

Use the game's file access from the main menu and keep the Chatter Pack separate from normal Voice Packs.
Chatter audio behaves like a Voice Pack collection, but chat can trigger it often. Avoid long clips and unclear reactions.
Add an INI or CFG file named config_chatter. Define broad_keywords and exact_keywords in their own bracketed sections.
Exact keywords are case-sensitive and work well for emotes or channel commands.
Broad keywords match within a chat user's first word. Test variations so an ordinary word does not cause constant audio.
Chatter Packs apply to Twitch streamers. They are not a way to give remote friends normal online multiplayer access.
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Quick answers
Keyword scope determines whether chat participation feels intentional or chaotic.
Next step
A small, well-scoped Chatter Pack is more useful than a long library that fires on every message.